Product Summary

Shure QLXD2/KSM9 Digital Handheld Wireless Microphone Transmitter


The Shure QLXD2/KSM9 is a premier digital handheld wireless microphone transmitter designed for compatibility with QLX-D receivers. Equipped with the advanced KSM9 condenser capsule, this transmitter captures sonic nuances with superior detail, ensuring precise vocal reproduction for high-end live performances.

Superior Sound Quality with Dual-Diaphragm KSM9 Capsule


The QLXD2/KSM9 features the renowned dual-diaphragm KSM9 condenser capsule, offering two switchable polar patterns—cardioid and supercardioid. This flexibility allows front-of-house engineers to adapt to different environments and performer techniques:

  • Cardioid Pattern: Delivers solid gain before feedback with minimal off-axis coloration, producing a warm, full sound.

  • Supercardioid Pattern: Provides increased sound isolation and higher gain before feedback, ideal for noisy environments or setups with multiple close-proximity sound sources.


Extensive UHF Tuning Range


Operating within a 64 MHz UHF tuning range, the QLXD2/KSM9 offers 2560 selectable frequencies, ensuring reliable performance in various settings.

  • Long Battery Life: Up to 9 hours of operation on two AA batteries.

  • Extended Range: Transmission range of up to 330 feet with selectable 1/10mW RF power output.


Robust Construction and Secure Transmission


Housed in a rugged yet lightweight aluminum casing, the QLXD2/KSM9 transmitter ensures durability and excellent RF performance. The unit also supports AES 256-bit encryption, providing secure transmission for critical applications.

Clear, Accurate Audio with Interchangeable Capsules


This microphone transmitter delivers pristine 24-bit/48 kHz digital audio quality, thanks to several key features:

  • KSM9 Capsule: Dual 3/4” gold-layered, low-mass Mylar diaphragms ensure a consistent frequency response.

  • Class-A Preamplifier: Discrete transformerless design for transparency, fast transient response, and no crossover distortion.

  • Pop Protection Grille: Integrated three-stage grille reduces plosives, wind noise, and breath sounds.

  • Interchangeable Capsule Design: Allows replacement of the KSM9 capsule with other Shure capsules like the SM58, SM87A, Beta 58A, Beta 87C, and KSM8.


User-Friendly Features in a Rugged Housing


Designed with ease of use in mind, the QLXD2/KSM9 includes:

  • Quick Syncing: Syncs with wireless receivers via infrared at the touch of a button.

  • Adjustable Input Sensitivity: Accommodates varying mic levels from booming voices to quiet speech.

  • Lockout Functions: Frequency and power lockout features prevent accidental or unauthorized changes during events.

  • Backlit LCD: Easy-to-navigate menu and controls for quick access to frequency, group, channel settings, mute, lock status, and RF output.


Flexible Power Management Options


The QLXD2/KSM9 offers versatile power options for uninterrupted performance:

  • Battery Life: Operates up to 9 hours on two AA batteries.

  • Rechargeable Battery Pack: Optional Shure SB900A lithium-ion battery pack provides over 10 hours of use, precision metering, and no memory effect.

  • Docked Charging: External charging contacts for docked battery charging with the SBC200 dual-docking charger (available separately).

  • Networkable Charger: SBC220 charger (available separately) enables remote power monitoring via Shure’s Wireless Workbench software.


The Shure QLXD2/KSM9 is an ideal choice for sound reinforcement applications in medium-sized venues, houses of worship, and A/V installations in conference, educational, and corporate facilities.

Shure QLXD2/KSM9 Digital Handheld Wireless Microphone Transmitter with KSM9 Capsule (G50: 470 to 534 MHz)

SKU: QLXD2KSM9G50 | UPC: 42406345330
Authorized Dealer Authorized Shure Dealer
Manufacturer Warranty Authorized dealer coverage
Expert Support Pre- and post-sale assistance

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Technical Details

Specifications

General
RF Frequency Band
G50: 470 to 534 MHz
RF Bandwidth
64 MHz
Frequency Step Size
25 kHz
RF Channel Scanning
Auto-Scan
Max Operating Range
330' / 100.6 m
Sample Rate/Resolution
48 kHz / 24-Bit
Latency
< 2.9 ms
Encryption
AES 256
Modulation
Proprietary
Transmitter
Transmitter Type
Handheld
RF Output Power
1 / 10 mW
Audio I/O
No
Gain Range
0 to 21 dB (3 dB Steps)
Frequency Response
30 Hz to 20 kHz
Sync Method
IR
Antenna
1x 1/4 Wave
Power Requirements
Battery
Battery Type
2x AA (Included) 1x Shure SB900A (Not Included, Replaceable)
Approx. Battery Life
9 Hours (Alkaline)
Display & Indicators
1x Backlit LCD (Channel, Group, RF Output Power)
Housing
Aluminum
Dimensions
2 x 10.1" / 51 x 256 mm
Weight
12.2 oz / 347 g (without Batteries)
Microphone
Microphone Type
Handheld Capsule
Sound Field
Mono
Capsule
Condenser
Polar Pattern
Cardioid, Supercardioid
Frequency Range
50 Hz to 20 kHz
Maximum SPL
152 dB SPL
Sensitivity
-51 dBV/Pa
Shure QLXD2 KSM9 Digital Handheld Wireless Microphone Transmitter with KSM9 Capsule (G50 470 to 534 MHz)
Shure

Shure QLXD2/KSM9 Digital Handheld Wireless Microphone Transmitter with KSM9 Capsule (G50: 470 to 534 MHz)

Call For Price

Brightness

N/A

N/A

Weight without stand

N/A

N/A

Weight with Stand

N/A

N/A

Duty Cycle

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Content

N/A

N/A

Native Resolution

N/A

N/A

Lumens (ANSI)

N/A

N/A

Contrast Ratio

N/A

N/A

Throw Distance

N/A

N/A

Lens

N/A

N/A

Inputs

N/A

N/A

Outputs

N/A

N/A

Display Technology

N/A

N/A

Wireless Networking

N/A

N/A

Speakers

N/A

N/A

Economode

N/A

N/A

Audible Noise

N/A

N/A

Lamp Life

N/A

N/A

Short Throw

N/A

N/A

Aspect Ratio

N/A

N/A

Image Size Diagonal

N/A

N/A

Lens Shift

N/A

N/A

Data / Video Signals

N/A

N/A

Digital Keystone

N/A

N/A

Unit Weight

N/A

N/A

Projector Methods

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Contrast Ratio

N/A

N/A

Viewing Angle

N/A

N/A

Response Time

N/A

N/A

Sound Output

N/A

N/A

Screen Size

N/A

N/A

Monitor Configuration

N/A

N/A

Display Orientation

N/A

N/A

WiFi

N/A

N/A

Communication Port

N/A

N/A

Refresh Rate

N/A

N/A

General

<div class="group_fDXOr6EpR9">
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">RF Frequency Band</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>G50:</b> 470 to 534 MHz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">RF Bandwidth</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">64 MHz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Step Size</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">25 kHz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">RF Channel Scanning</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Auto-Scan</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Max Operating Range</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">330' / 100.6 m</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Sample Rate/Resolution</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">48 kHz / 24-Bit</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Latency</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">&lt; 2.9 ms</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Encryption</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">AES 256</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Modulation</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Proprietary</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Transmitter</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Transmitter Type</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Handheld</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">RF Output Power</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1 / 10 mW</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Audio I/O</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">No</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Gain Range</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">0 to 21 dB (3 dB Steps)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Response</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">30 Hz to 20 kHz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Sync Method</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">IR</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Antenna</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1x 1/4 Wave</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Power Requirements</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Battery</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Battery Type</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">2x AA (Included)
1x Shure SB900A (Not Included, Replaceable)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Approx. Battery Life</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">9 Hours (Alkaline)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Display &amp; Indicators</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1x Backlit LCD (Channel, Group, RF Output Power)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Housing</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Aluminum</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Dimensions</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">2 x 10.1" / 51 x 256 mm</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Weight</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">12.2 oz / 347 g (without Batteries)</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Microphone</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Microphone Type</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Handheld Capsule</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Sound Field</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Mono</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Capsule</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Condenser</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Polar Pattern</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Cardioid, Supercardioid</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Range</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">50 Hz to 20 kHz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Maximum SPL</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">152 dB SPL</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Sensitivity</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">-51 dBV/Pa</div></td>
</tr>
</tbody>
</table>
</div>

N/A

VESA Pattern

N/A

N/A

TAA Compliant

N/A

N/A

PDF Documents

N/A

N/A

Diagonal Size

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Sensor

N/A

N/A

Resolution

N/A

N/A

Signal Sysyetm

N/A

N/A

Signal To Noise Ratio

N/A

N/A

Gain

N/A

N/A

Shutter Speed Range

N/A

N/A

Exposure Control

N/A

N/A

White Balance

N/A

N/A

Image Stabilization

N/A

N/A

Image Flip

N/A

N/A

ICR

N/A

N/A

Sync

N/A

N/A

Output

N/A

N/A

Audio Input

N/A

N/A

Audio

N/A

N/A

Camera Control

N/A

N/A

Focal Length

N/A

N/A

Minimum Object Distance

N/A

N/A

Pan Angle

N/A

N/A

Tilt Angle

N/A

N/A

Pan Speed

N/A

N/A

Tilt Speed

N/A

N/A

Presets

N/A

N/A

Operating Temperature

N/A

N/A

Power

N/A

N/A

Power Consumption

N/A

N/A

Minimum Illumination

N/A

N/A

Optical Zoom

N/A

N/A

TAA Compliant

N/A
View product

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